BS EN 410:2011 - Glass in building. Determination of luminous and solar characteristics of glazing

BS EN 410:2011

Glass in building. Determination of luminous and solar characteristics of glazing

Status : Current, Project Underway   Published : May 2011



This European Standard specifies methods of determining the luminous and solar characteristics of glazing in buildings. These characteristic can serve as a basis for lighting, heating and cooling calculations of rooms and permit comparison between different types of glazing. This European Standard applies both to conventional glazing and to absorbing or reflecting solar-control glazing, used as vertical or horizontal glazed apertures. The appropriate formulae for single, double and triple glazing are given. This European Standard is accordingly applicable to all transparent materials except those which show significant transmission in the wavelength region 5 µm to 50 µm of ambient temperature radiation, such as certain plastic materials. Materials with light-scattering properties for incident radiation are dealt with as conventional transparent materials subject to certain conditions (see 5.2). Angular light and solar properties of glass in building are excluded from this Standard. However, research work in this area is summarised in E.1, E.2 and E.3. While this European Standard presents the formulae for the exact calculations of the spectral characteristics of glazing, it does not consider the uncertainty of the measurements necessary to determine the spectral parameters that are used in the calculations. It should be noted that, for simple glazing systems where few measurements are required, the uncertainty of the results will be satisfactory if correct measurements procedures have been followed. When the glazing systems become complex and a large number of measurements are required to determine the spectral parameters, the uncertainty is cumulative with the number of measurements and should be considered in the final results. The term interface used in this European Standard, is considered to be a surface characterized by its transmission and reflections of light intensities.

Standard NumberBS EN 410:2011
TitleGlass in building. Determination of luminous and solar characteristics of glazing
StatusCurrent, Project Underway
Publication Date31 May 2011
Normative References(Required to achieve compliance to this standard)EN 675, EN 12898, EN 673, EN 674
Informative References(Provided for Information)CIE 13.3:1995, CIE 85:1989, CIE 38:1977, CIE 15:2004
ReplacesBS EN 410:1998
International RelationshipsEN 410:2011
Draft Superseded By10/30219372 DC
DescriptorsFlat glass, Double glazing, Glass, Glazing, Spectra, Transmittance, Triple, Reflection factor, Colour, Window glass, Buildings, Reflectance factor, Luminosity, Construction systems parts, Wavelengths, Optical measurement, Solar radiation, Coated materials, Formulae (mathematics), Optical properties of materials, Ultraviolet radiation
Title in FrenchVerre dans la construction. Détermination des caractéristiques lumineuses et solaires des vitrages
Title in GermanGlas im Bauwesen. Bestimmung der lichttechnischen und strahlungsphysikalischen Kenngrößen von Verglasungen
ISBN978 0 580 71227 2
File Size1.639 MB

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